| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include "config.h" |
| |
| #include "argv.h" |
| #include "clipboard.h" |
| #include "common/display.h" |
| #include "input.h" |
| #include "user.h" |
| #include "pipe.h" |
| #include "sftp.h" |
| #include "ssh.h" |
| #include "settings.h" |
| |
| #include <guacamole/client.h> |
| #include <guacamole/socket.h> |
| #include <guacamole/user.h> |
| |
| #include <pthread.h> |
| #include <string.h> |
| |
| int guac_ssh_user_join_handler(guac_user* user, int argc, char** argv) { |
| |
| guac_client* client = user->client; |
| guac_ssh_client* ssh_client = (guac_ssh_client*) client->data; |
| |
| /* Parse provided arguments */ |
| guac_ssh_settings* settings = guac_ssh_parse_args(user, |
| argc, (const char**) argv); |
| |
| /* Fail if settings cannot be parsed */ |
| if (settings == NULL) { |
| guac_user_log(user, GUAC_LOG_INFO, |
| "Badly formatted client arguments."); |
| return 1; |
| } |
| |
| /* Store settings at user level */ |
| user->data = settings; |
| |
| /* Connect via SSH if owner */ |
| if (user->owner) { |
| |
| /* Store owner's settings at client level */ |
| ssh_client->settings = settings; |
| |
| /* Start client thread */ |
| if (pthread_create(&(ssh_client->client_thread), NULL, |
| ssh_client_thread, (void*) client)) { |
| guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, |
| "Unable to start SSH client thread"); |
| return 1; |
| } |
| |
| } |
| |
| /* If not owner, synchronize with current display */ |
| else { |
| guac_terminal_dup(ssh_client->term, user, user->socket); |
| guac_ssh_send_current_argv(user, ssh_client); |
| guac_socket_flush(user->socket); |
| } |
| |
| /* Only handle events if not read-only */ |
| if (!settings->read_only) { |
| |
| /* General mouse/keyboard/clipboard events */ |
| user->key_handler = guac_ssh_user_key_handler; |
| user->mouse_handler = guac_ssh_user_mouse_handler; |
| user->clipboard_handler = guac_ssh_clipboard_handler; |
| |
| /* STDIN redirection */ |
| user->pipe_handler = guac_ssh_pipe_handler; |
| |
| /* Updates to connection parameters */ |
| user->argv_handler = guac_ssh_argv_handler; |
| |
| /* Display size change events */ |
| user->size_handler = guac_ssh_user_size_handler; |
| |
| /* Set generic (non-filesystem) file upload handler */ |
| if (settings->enable_sftp) |
| user->file_handler = guac_sftp_file_handler; |
| |
| } |
| |
| return 0; |
| |
| } |
| |
| int guac_ssh_user_leave_handler(guac_user* user) { |
| |
| guac_ssh_client* ssh_client = (guac_ssh_client*) user->client->data; |
| |
| /* Update shared cursor state */ |
| guac_common_cursor_remove_user(ssh_client->term->cursor, user); |
| |
| /* Free settings if not owner (owner settings will be freed with client) */ |
| if (!user->owner) { |
| guac_ssh_settings* settings = (guac_ssh_settings*) user->data; |
| guac_ssh_settings_free(settings); |
| } |
| |
| return 0; |
| } |
| |